More info

This is an economical version of Arduino compatible Nano board, which uses CH340 USB to TTL chip instead of FT232RL chip. You need to search & install the drivers using Google, based on your operating system. It is fully compatible with Arduino IDE & Arduino Nano development board.

Specifications:

Microcontroller: ATmega328

Operating Voltage (logic level): 5 V

Input Voltage (recommended): 7 V

Input Voltage (limits): 6-9 V

Digital I/O Pins: 14 (of which 6 provide PWM output)

Analog Input Pins: 8

DC Current per I/O Pin: 40 mA

Flash Memory: 32 KB (ATmega328) of which 2 KB used by bootloader

SRAM: 2 KB (ATmega328)

EEPROM: 1 KB (ATmega328)

Clock Speed: 16 MHz

Note: You may need to solder the berg pin headers. The images are just for representational purpose.